제출 #1112470

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1112470		vjudge1	Baloni (COCI15_baloni)	C++17	0 / 100	2 ms	380 KiB

baloni

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define nmod(a, b) (((a%b)+b)%b) // stands for [n]atural [mod], as in "will always return a natural number", should be used in case of negative
#define a2b(a, b) (a << b) // a*2^b
#define bit(a, b) ((a >> b) & 1) // bth bit from the right, starts at zero
using namespace std;
template<class T> using vec = vector<T>;

const int INFTY = (1LL << 63) - 1;
const int NNFTY = 1LL << 63;

int32_t main() {
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    freopen("bigtest.txt", "r", stdin);
    int n; cin >> n;
    vec<int> h(n); for (auto &x : h) cin >> x;
    vec<int> grouplast(n); grouplast[0] = h[0];
    int k = 0;
    for (int i = 0; i < n; i++) {
        auto it = find(grouplast.begin(), grouplast.begin() + k, h[i] + 1);
        *it = h[i]; if (it == grouplast.begin() + k) k++;
    }
    cout << k;
}

컴파일 시 표준 에러 (stderr) 메시지

baloni.cpp:10:31: warning: integer overflow in expression of type 'long long int' results in '9223372036854775807' [-Woverflow]
   10 | const int INFTY = (1LL << 63) - 1;
      |                   ~~~~~~~~~~~~^~~
baloni.cpp: In function 'int32_t main()':
baloni.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     freopen("bigtest.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100